# `random`

## Description

Returns a pseudorandom decimal between `0` (inclusive) and `1` (exclusive).

Note

`random` is not cryptographically secure.

## Syntax

```dataprime
random(): number
```

## Example

**Use case: Add a random decimal field**

Generate a pseudorandom number between `0` and `1` and attach it to each document.

### Example data

```json
{
    "event": "login_attempt"
}
```

### Example query

```dataprime
create random_num from random()
```

### Example output

```json
{
    "event": "login_attempt",
    "random_num": 0.732145691
}
```